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. 2018 Feb 28;13(2):e0193000. doi: 10.1371/journal.pone.0193000

Table 1. Sociodemographic and clinical characteristics of the psychometric sample (mean±standard deviation).

Variable Total (N = 512) Inpatient sample (n = 310) Outpatient sample (n = 202)
Sociodemographic characteristics
Age, in years 50.3±11.4 50.7±12.4 49.6±9.7
Gender
    Female, n (%) 469 (91.6%) 282 (91.0%) 187 (92.6%)
BMI, in kg/m2 26.4±5.6 26.9±5.7 25.7±5.2
Family status, n (%)
    Single 87 (17.0%) 57 (18.4%) 30 (14.9%)
    With partner/married 338 (66.0%) 193 (62.3%) 145 (71.8%)
    Divorced, separated, widowed 81 (15.8%) 54 (17.4%) 27 (13.4%)
Education, n (%)
    < High school 279 (54.5%) 171 (55.2%) 108 (53.5%)
    At least high school 124 (24.2%) 73 (23.5%) 51 (25.2%)
    University 106 (20.7%) 63 (20.3%) 43 (21.3%)
Employment, n (%)
    Full-time 170 (33.2%) 95 (30.6%) 75 (37.1%)
    Part-time 132 (25.8%) 72 (23.22%) 60 (29.7%)
    Unemployed 26 (5.1%) 20 (6.5%) 6 (3.0%)
    Home keeper 32 (6.3%) 21 (6.8%) 11 (5.4%)
    Retired 96 (18.8%) 68 (21.9%) 28 (13.9%)
    Sick leave 48 (9.4%) 27 (8.7%) 21 (10.4%)
    Student 3 (0.6%) 2 (0.6%) 1 (0.5%)
Applied for disability pension, n (%) 83 (16.2%) 52 (16.8%) 31 (15.3%)
Clinical characteristics
Pain condition, N (%)a
    Headache
        Migraine 105 (20.5%) 39 (12.6%) 66 (32.7%)
        Tension type headache 33 (6.4%) 11 (3.5%) 22 (10.9%)
        Other headache 80 (15.6%) 50 (16.1%) 30 (14.9%)
    Rheumatic diseases
        Fibromyalgia 114 (22.3%) 71 (22.9%) 43 (21.3%)
        Osteoarthritis 90 (17.6%) 57 (18.4%) 33 (16.3%)
        Rheumatoid arthritis 17 (3.3%) 10 (3.2%) 7 (3.5%)
    Spinal/shoulder pain
        Low back pain 150 (29.3%) 82 (26.5%) 68 (33.7%)
        Neck pain 48 (9.4%) 29 (9.4%) 19 (9.4%)
        Shoulder pain 55 (10.7%) 31 (10.0%) 24 (11.9%)
    Other pain 265 (51.8%) 175 (56.5%) 90 (44.6%)
Duration of pain, in years 12.9±11.9 11.0±10.7 15.6±13.0
Intensity of pain, 0-100mm VAS 45.2±26.1 48.2±25.2 40.7±26.9

aMore than one pain condition per patient possible.